Eucoelomat
真体腔动物
🗣️ 情景例句
I an no match for you at running.
在赛跑方面我不是你的对手。
Some persons do first, think afterwards, and then repent for ever.
有些人做了再思考，从而悔恨终身。
riding on its air cushion over a single rail, which it never touches,at speeds up to 300 m.p.h.----the possibilities appear unlimited.
靠气垫在单轨上行驶而不接触轨道，时速可达每小时300英里。气垫船的前途是不可限量的。